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WO2020218011A1 - Feuille pour plateau de transport/bande de support de composant électronique et plateau de transport/bande de support de composant électronique l'utilisant - Google Patents

Feuille pour plateau de transport/bande de support de composant électronique et plateau de transport/bande de support de composant électronique l'utilisant Download PDF

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Publication number
WO2020218011A1
WO2020218011A1 PCT/JP2020/015960 JP2020015960W WO2020218011A1 WO 2020218011 A1 WO2020218011 A1 WO 2020218011A1 JP 2020015960 W JP2020015960 W JP 2020015960W WO 2020218011 A1 WO2020218011 A1 WO 2020218011A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
electronic component
carrier tape
sheet
component conveying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/015960
Other languages
English (en)
Japanese (ja)
Inventor
岡明　周作
英希 毛利
石川　直人
皓晟 過
勝士 武井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maruai Corp
Original Assignee
Maruai Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maruai Corp filed Critical Maruai Corp
Priority to CN202080031026.6A priority Critical patent/CN113727845A/zh
Priority to KR1020217035772A priority patent/KR20220005473A/ko
Publication of WO2020218011A1 publication Critical patent/WO2020218011A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic

Definitions

  • the present invention relates to a sheet for an electronic component transport tray / carrier tape and an electronic component transport tray / carrier tape using the same.
  • the electronic component transport tray is a synthetic resin tray in which a large number of storage sections for storing electronic components whose elements are semiconductor elements such as semiconductor chips, liquid crystal modules, and hard disk components are provided by vacuum molding or the like according to the shape. There is also a carrier tape that is used for transporting and mounting electronic components.
  • the electronic component transport tray stacks a large number of trays with the electronic components inserted in the storage section, and the carrier tape winds up the tray together with the electronic components for transport and storage.
  • a conductive material is conventionally kneaded into a synthetic resin sheet that is the base material of an electronic component transport tray / carrier tape, or a synthetic resin sheet having rigidity, moldability, shape retention, etc.
  • a method of coating the surface with an ink containing carbon black or an organic conductive agent is being studied.
  • Carbon nanotubes are known as a conductive material, but a sheet coated with ink produced by a general dispersion method tends to have a gray color tone and a decrease in transparency.
  • Patent Document 1 The technique described in Patent Document 1 has been proposed as a carbon nanotube dispersion liquid capable of forming a film having excellent conductivity and transparency.
  • the film produced by the technique of Patent Document 1 has high conductivity and transparency.
  • the adhesion to the base material is weak and the ink falls off, and the friction resistance and solvent resistance required for the electronic component transport tray ( When removing foreign matter adhering to the tray, it is lightly wiped with a cloth containing IPA), and it is difficult to obtain water resistance and scratch resistance. Since many electronic component transport trays are stacked and used for transport and storage, releasability between trays is required, but the releasability is poor and the trays do not slip when stacked, so they are used for transporting electronic components. You can't get the right one.
  • the present invention has been made in view of the above circumstances, and while satisfying various characteristics required for an electronic component transport tray / carrier tape, a sheet having excellent transparency and electronic component transport using the same.
  • the challenge is to provide tray carrier tapes.
  • the sheet of the present invention is a sheet for an electronic component transport tray or a carrier tape, and has the following (A1) layer, (A2) layer, and (B) layer.
  • the layer (A1) and the layer (A2) are provided in this order on one side or both sides of the layer B), and the layer (A2) forms the outermost surface.
  • (A1) Coating layer of carbon nanotube dispersion liquid containing carbon nanotubes and a polymer acid that functions as a dispersant thereof
  • A2 Coating layer of binder resin
  • B Base material layer
  • the electronic component transport tray or carrier tape of the present invention The sheet is used.
  • the sheet of the present invention and the electronic component transport tray / carrier tape using the same, various properties required for the electronic component transport tray / carrier tape, particularly conductivity, inter-layer adhesion, abrasion resistance, and solvent resistance. It has excellent transparency while satisfying water resistance, scratch resistance, and mold releasability.
  • the layer (A1) is a coating layer of a carbon nanotube dispersion liquid containing carbon nanotubes and a polymer acid that functions as a dispersant thereof (in the following description, "carbon nanotubes” is referred to as "CNT”. Also called.).
  • the layer (A1) imparts good conductivity while being excellent in transparency.
  • the type of CNT is not particularly limited, and conventionally known ones can be used.
  • any of single-walled CNT (SWNT), double-walled CNT (DWNT), multi-walled CNT (MWNT), rope-shaped CNT, and ribbon-shaped CNT can be used.
  • the monomer having an acidic group may be used alone or in combination of two or more.
  • Examples of the monomer having a carboxylic acid group include acrylic acid, methacrylic acid, crotonic acid, itaconic acid, maleic acid, fumaric acid, citraconic acid, 2-methacryloyloxymethylsuccinic acid and the like. These may be used individually by 1 type, and may be used in combination of 2 or more type.
  • Examples of the monomer having a sulfonic acid group include styrene sulfonic acid such as p-styrene sulfonic acid, vinyl sulfonic acid, allyl sulfonic acid, 2-acrylamide-2-methylpropane sulfonic acid, and 2-hydroxy-3-allyloxy-1.
  • styrene sulfonic acid such as p-styrene sulfonic acid, vinyl sulfonic acid, allyl sulfonic acid, 2-acrylamide-2-methylpropane sulfonic acid, and 2-hydroxy-3-allyloxy-1.
  • -Propane sulfonic acid, isoprene sulfonic acid and the like can be mentioned. These may be used individually by 1 type, and may be used in combination of 2 or more type.
  • polymer acid a polymer carboxylic acid such as polyacrylic acid and polymethacrylic acid, and a polymer sulfonic acid such as poly (p-styrene sulfonic acid) are preferable.
  • the solvent for dispersing the polymer acid and CNT is not particularly limited, but water or an organic solvent can be used.
  • the organic solvent include alcohol-based organic solvents (for example, methanol, ethanol, 2-propanol, glycerin, ethylene glycol, etc.), ketone-based organic solvents (for example, acetone, methyl ethyl ketone, methyl isobutyl ketone, etc.), ether-based organic solvents.
  • ester-based organic solvents methyl acetate, ethyl acetate, n-propyl acetate, n-butyl acetate, isobutyl acetate, etc.
  • hydrocarbon-based organic solvents toluene, methylcyclohexane, etc.
  • water, alcohol-based organic solvent or a mixed solvent thereof is preferable in consideration of dispersibility, response to environmental problems, printability and drying property of ink, and for example, water, methanol, ethanol and 2-propanol.
  • the CNT dispersion liquid can contain other components as long as the effects of the present invention are not impaired.
  • the CNT dispersion liquid used for the layer (A1) refers to the description of Patent Document 1 in addition to the above.
  • the details, concentration, weight ratio, etc. of CNT and polymer acid in the CNT dispersion liquid, and the predoping step, pre-dispersion step, main dispersion step, etc., which are the manufacturing steps of the CNT dispersion liquid refer to the description of Patent Document 1.
  • the layer (A2) is a coating layer of a binder resin.
  • the layer (A2) improves adhesion, abrasion resistance, solvent resistance, water resistance, scratch resistance, and mold release resistance, which are difficult to achieve by the layer (A1), which is a coating layer of a CNT dispersion liquid. Further, by adjusting the film thickness, the conductivity of the sheet surface does not decrease, and the sheet having excellent transparency can be obtained.
  • the binder resin is coated as an ink using water, a solvent, or the like as a solvent, and is bound to the (A1) layer by drying.
  • the binder resin is not particularly limited, and examples thereof include water-based or solvent-based polyester resins, polyacrylic resins, polyurethane resins, epoxy resins, and olefin resins.
  • binder resin examples include solvent-based polyacrylic resin, water-based acrylic modified polyester resin, and water-based polyester resin.
  • binder resins water-based or solvent-based polyacrylic resin and water-based or solvent-based polyester resin are preferable.
  • the solvent for the binder resin is not particularly limited, but water and an organic solvent can be used. These are mainly used in a diluted amount so as to have an appropriate viscosity for printing.
  • the solvent of the aqueous binder resin requires water, and is a mixed solvent with an organic solvent compatible with water such as an alcohol-based organic solvent (for example, methanol, ethanol, 2-propanol, glycerin, ethylene glycol, etc.). You may.
  • the solvent of the solvent-based binder resin is not particularly limited, but for example, an alcohol-based organic solvent (for example, methanol, ethanol, 2-propanol, glycerin, ethylene glycol, etc.) and a ketone-based organic solvent (for example, acetone, methyl ethyl ketone, methyl isobutyl).
  • an alcohol-based organic solvent for example, methanol, ethanol, 2-propanol, glycerin, ethylene glycol, etc.
  • a ketone-based organic solvent for example, acetone, methyl ethyl ketone, methyl isobutyl
  • Ketones, etc. ether-based organic solvents (eg, diethyl ether, THF, etc.), ester-based organic solvents (methyl acetate, ethyl acetate, n-propyl acetate, n-butyl acetate, isobutyl acetate, etc.), hydrocarbon-based organic solvents (eg, isobutyl acetate, etc.) (Toluene, methylcyclohexane, etc.) and the like. These may be used individually by 1 type, and may be used in combination of 2 or more type.
  • ether-based organic solvents eg, diethyl ether, THF, etc.
  • ester-based organic solvents methyl acetate, ethyl acetate, n-propyl acetate, n-butyl acetate, isobutyl acetate, etc.
  • hydrocarbon-based organic solvents eg, isobutyl acetate, etc
  • additives such as a cross-linking agent, a wax, a leveling agent, a surface conditioner, and an antifoaming agent. These may be used individually by 1 type, and may be used in combination of 2 or more type.
  • the amount of the additive is not particularly limited, but is, for example, about 1 to 10% by mass depending on the type and the like.
  • the base material layer which is the layer (B) in the sheet of the present invention, imparts rigidity, moldability, shape retention, and the like.
  • a resin material having molding processability can be used for the base material layer.
  • a synthetic resin particularly a thermoplastic resin is preferable. Specific examples thereof include polyester resin, polyolefin resin, polystyrene resin, polyamide resin, polyvinyl chloride resin, and polycarbonate resin.
  • Other components such as known additives usually blended in the resin material can be blended in the base material layer as long as the effects of the present invention are not impaired.
  • the base material layer may be a plurality of layers, that is, the layer (B) may be a laminate composed of a plurality of resin layers.
  • the thickness of the layer (B) is not particularly limited, but is preferably 0.1 to 1.5 mm, preferably 0.3 to 1.0 mm, in consideration of rigidity as a tray for transporting electronic components and carrier tape, tray moldability, and the like. More preferred.
  • the CNT dispersion liquid to be the (A1) layer is applied to one side or both sides of the (B) layer and dried to form a coating layer, and the binder resin to be the (A2) layer is applied to the surface thereof. It is produced by drying to form a coating layer.
  • the method of applying the CNT dispersion liquid as the (A1) layer and the binder resin as the (A2) layer is not particularly limited, and is, for example, gravure printing, screen printing, casting method, dip coating method, spin coating method, and bar coating. Examples thereof include a method, a blade coating method, a die coating method, a spray coating method, and an inkjet method. Of these, gravure printing is preferable. When gravure printing is used, high-speed printing is possible, and in gravure printing, the film thickness is usually small, but the CNT dispersion liquid as the (A1) layer has good electrical connection in the CNT network. Since it has excellent conductivity and the required conductivity can be secured even if the film thickness is reduced, high transparency can be obtained.
  • the film thickness of the (A1) layer is not particularly limited, but the film thickness after drying is preferably 0.01 to 1 ⁇ m in consideration of imparting conductivity and transparency, application of gravure printing, and the like. , 0.01-0.3 ⁇ m is more preferable.
  • the film thickness of the (A2) layer is the adhesion, abrasion resistance, solvent resistance, water resistance, and scratch resistance, which are difficult to achieve by the (A1) layer, which is the coating layer of the CNT dispersion liquid.
  • the (A1) layer which is the coating layer of the CNT dispersion liquid.
  • the film thickness is preferably 0.1 to 10 ⁇ m, more preferably 0.5 to 5 ⁇ m.
  • the sheet of the present invention can be used as an electronic component transport tray by molding.
  • the molding method is not particularly limited, and for example, known methods such as vacuum molding, press molding, compressed air molding, and vacuum pressure air molding can be applied.
  • the sheet is molded so as to form a large number of storage portions that serve as pockets according to the size and shape of the electronic component to be placed.
  • this electronic component transport tray for example, electronic components whose elements are semiconductor elements are inserted into a storage portion, a large number of trays are stacked, transported to a required place, stored, and then picked up from this tray in a subsequent process. used.
  • the sheet of the present invention can be processed or molded as necessary and used as a carrier tape.
  • CNT dispersion liquid 17.5 g of PAA (polyacrylic acid weight average molecular weight 5000 Fuji Film Wako Pure Chemical Industries, Ltd.) was weighed and dissolved in 150 ml of a 9: 1 mixed solution of 2-propanol and ethanol, and then 11.7 g of SWCNT (Oxial TUBALL CNT 93%) was added. Added and mixed. This mixed solution was pre-dispersed (stirred) for 30 minutes with a stirrer. After that, ultrasonic dispersion was performed for 300 minutes while keeping the treatment temperature at around 5 ° C. to prepare a uniform CNT dispersion liquid.
  • PAA polyacrylic acid weight average molecular weight 5000 Fuji Film Wako Pure Chemical Industries, Ltd.
  • Abrasion fastness test (friction resistance) The abrasion fastness test was performed on each of the coated sheets and the vacuum-formed trays produced in the following Examples and Comparative Examples under the following conditions. The resistance value before and after the test and the contamination status of the wearer were observed to judge the adhesion performance of the coating film. Test conditions Measuring instrument: Gakushin type wear fastness tester Wearer: Kanakin No. 3 Speed: 30 times Reciprocating / min Load: 200 g Number of times: 1000 times (round trip) In addition, a tape peeling test was also performed on the sample after the test under the above conditions.
  • Alcohol resistance test was performed on each of the coated sheets and vacuum-formed trays prepared in the following Examples and Comparative Examples under the following conditions. The resistance value before and after the test and the contamination status of the wearer were observed to judge the adhesion performance of the coating film.
  • Test conditions Measuring instrument: Gakushin type wear fastness tester Wearer: IPA wet gauze Speed: 30 times reciprocation / minute Load: 200 g Number of times: 50 times (round trip)
  • a tape peeling test was also performed on the sample after the test under the above conditions.
  • Comparative Example 1 The uniform CNT dispersion liquid prepared by the above method was coated with 4 g / m 2 ⁇ wet on A-PET (thickness 0.5 mm) by gravure printing to form a film.
  • Comparative Example 2 In order to improve the adhesion of the CNT dispersion liquid to A-PET, various water-based and solvent-based binder resins shown in Table 1 were added and mixed with the uniform CNT dispersion liquid prepared by the above method to prepare an ink. .. The produced ink was coated on A-PET (thickness 0.5 mm) at 4 g / m 2 ⁇ wet to form a film. A tape peeling test was conducted on the applied sample to confirm the adhesion to A-PET.
  • the addition amount was 1% or less, there was no effect in improving the adhesion to A-PET. If it is set to 1% or more, the produced ink will aggregate and gel, and cannot be used as an ink.
  • Comparative Example 3 In order to improve the friction resistance of the CNT dispersion liquid, the waxes shown in Table 2 were added and mixed with the uniform CNT dispersion liquid prepared by the above method to prepare an ink. The produced ink was coated on A-PET (thickness 0.5 mm) at 4 g / m 2 ⁇ wet to form a film. The applied sample was subjected to a tape peeling test after the above-mentioned wear fastness test to confirm the abrasion resistance.
  • the addition amount was 1% or less, there was no effect in improving the friction resistance. If it is set to 1% or more, the produced ink will aggregate and gel, and cannot be used as an ink.
  • Example 1 In order to improve the adhesion and wear resistance of the CNT dispersion liquid to A-PET, 4 g / g of the uniform CNT dispersion liquid prepared by the above method on A-PET (thickness 0.5 mm) by gravure printing. After coating with m 2 ⁇ wet and forming a film, the overcoat ink was coated with 4 g / m 2 ⁇ wet with a gravure printing machine. In this way, a coating sheet was produced, and a tray was produced by vacuum forming.
  • the overcoat ink is made by adding an additive to a solvent-based polyacrylic resin, stirring it, and then diluting it with a 6: 4 mixed solution of ethyl acetate and propyl acetate to a suitable printing quality (Zahn Cup No. 3 (Rigosha) 15 to 20 s). , Made.
  • Example 2 A coating sheet was prepared under the same conditions as in Example 1 except that the type of overcoat ink was changed, and a tray was prepared by vacuum forming.
  • the overcoat ink was prepared by adding an additive to a water-based acrylic modified polyester resin, stirring the mixture, and then diluting with a 1: 1 mixed solution of IPA and water.
  • Example 3 A coating sheet was prepared under the same conditions as in Example 1 except that the type of overcoat ink was changed, and a tray was prepared by vacuum forming.
  • the overcoat ink was prepared by adding an additive to a water-based polyester resin, stirring the ink, and then diluting with a 1: 1 mixed solution of IPA and water.
  • Table 3 summarizes the results of the above evaluations for each example and comparative example.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Packaging Frangible Articles (AREA)

Abstract

L'invention concerne : une feuille satisfaisant toutes les diverses caractéristiques nécessaires pour un plateau de transport/une bande de support de composant électronique et ayant une excellente transparence ; et un plateau de transport/une bande de support de composant électronique l'utilisant.　La feuille selon la présente invention est destinée au plateau de transport/à la bande de support de composant électronique et a les couches suivantes : couche (A1), couche (A2) et couche (B), la couche (A1) et la couche (A2) étant disposées dans cet ordre sur un côté ou les deux côtés de la couche (B) et la couche (A2) formant la surface la plus à l'extérieur. (A1) : une couche de revêtement d'un liquide de dispersion de nanotubes de carbone contenant des nanotubes de carbone et un acide polymère servant de dispersant de ceux-ci, (A2) : une couche de revêtement d'une résine liante et (B) : une couche de substrat.
PCT/JP2020/015960 2019-04-25 2020-04-09 Feuille pour plateau de transport/bande de support de composant électronique et plateau de transport/bande de support de composant électronique l'utilisant Ceased WO2020218011A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080031026.6A CN113727845A (zh) 2019-04-25 2020-04-09 电子部件搬运托盘/载带用片材以及使用所述片材的电子部件搬运托盘/载带
KR1020217035772A KR20220005473A (ko) 2019-04-25 2020-04-09 전자 부품 반송 트레이·캐리어 테이프용의 시트와 그것을 사용한 전자 부품 반송 트레이·캐리어 테이프

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019084317A JP6656450B1 (ja) 2019-04-25 2019-04-25 電子部品搬送トレイ・キャリアテープ用のシートとそれを用いた電子部品搬送トレイ・キャリアテープ
JP2019-084317 2019-04-25

Publications (1)

Publication Number Publication Date
WO2020218011A1 true WO2020218011A1 (fr) 2020-10-29

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PCT/JP2020/015960 Ceased WO2020218011A1 (fr) 2019-04-25 2020-04-09 Feuille pour plateau de transport/bande de support de composant électronique et plateau de transport/bande de support de composant électronique l'utilisant

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JP (1) JP6656450B1 (fr)
KR (1) KR20220005473A (fr)
CN (1) CN113727845A (fr)
WO (1) WO2020218011A1 (fr)

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JP7391442B1 (ja) * 2023-08-31 2023-12-05 株式会社マルアイ 電子部品搬送用のトレイ又はキャリアテープとその製造方法並びに再生方法

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JP2020179596A (ja) 2020-11-05
KR20220005473A (ko) 2022-01-13
CN113727845A (zh) 2021-11-30
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